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MONTHLY PROGRAMS


We offer fascinating monthly programs the second Thursday of each month on topics of interest that include our area, birds (of course), natural history, and the environment. The programs are held each month from October through May at 7 p.m.  All programs are free, open to the public, and include refreshments. Call 559 692 5619 for more information.

Meetings in November, January, March, and May are in Oakhurst at the United Methodist Church at 49223 Road 426.

Meetings in October, December, February and April are in Mariposa at the Mariposa Methodist Church parish hall at 4991 6th Street between Hwy 140 and Bullion Street.

Schedule for 2019/2020:

November 14, 2019 - Presentation by Carl Casey on “Big Tree Hunting”, an exciting and adventure-filled hobby. The meeting will be held at 7:00 p.m. at the United Methodist Church in Oakhurst. Carl is a local big-tree hunting enthusiast who has discovered or co-discovered 9 national champion trees. Many of these champion trees are in the Mariposa/Yosemite area, some in remote wilderness areas and others in our own back yards.  Carl will present photographs of these stunningly enormous, beautiful trees and share stories of his big-tree hunting adventures.

Carl became interested in the unusual hobby of big-tree hunting after reading the book Forest Giants of the Pacific Coast by Robert Van Pelt, published in 2001. Van Pelt is a forest researcher based out of the University of Washington, Seattle, and has been a big-tree hunter since the mid-1980’s. He is an expert on big trees of the west coast, and his book featured not only champion trees but runners up as well. Eventually Van Pelt visited Carl in Mariposa, and mentored him in big-tree hunting as well as tree measurement.

Since 1940, the conservation organization American Forests has maintained the official National Register of Champion Trees, which showcases the single largest known specimen of native and naturalized trees across the United States. To nominate a tree for consideration as champion, the nominator must include three measurements of the tree: circumference, height and crown spread (how far the branches extend out from the trunk). Points are granted for each of the three measurements. Photographs and the location of the tree must also be submitted. If the point total for the tree is greater than any other tree of that species, the tree is officially crowned champion and a certificate is issued to the nominator.

We hope you will be able to join YAAS November 14th for an exciting evening of Big Trees.



December 12, 2019 at 7:00 pm at the Mariposa Methodist Church Parish hall on 6th Street between Hwy 140 and Bullion Street

January 9, 2020 at 7:00 pm in Oakhurst at the United Methodist Church, 49223 Road 426

February 13, 2020 at 7:00 pm at the Mariposa Methodist Church Parish hall on 6th Street between Hwy 140 and Bullion Street

March 12, 2020 at 7:00 pm in Oakhurst at the United Methodist Church, 49223 Road 426

April 9, 2020 at 7:00 pm at the Mariposa Methodist Church Parish hall on 6th Street between Hwy 140 and Bullion Street

May 14, 2020 at 7:00 pm in Oakhurst at the United Methodist Church, 49223 Road 426